61740011 has 2 divisors, whose sum is σ = 61740012. Its totient is φ = 61740010.

The previous prime is 61739957. The next prime is 61740023. The reversal of 61740011 is 11004716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61740011 - 2⁶ = 61739947 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61740061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30870005 + 30870006.

It is an arithmetic number, because the mean of its divisors is an integer number (30870006).

Almost surely, 2^61740011 is an apocalyptic number.

61740011 is a deficient number, since it is larger than the sum of its proper divisors (1).

61740011 is an equidigital number, since it uses as much as digits as its factorization.

61740011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 61740011 is about 7857.4812121952. The cubic root of 61740011 is about 395.2351556026.

Adding to 61740011 its reverse (11004716), we get a palindrome (72744727).

The spelling of 61740011 in words is "sixty-one million, seven hundred forty thousand, eleven".